Skip to main content
Supplement ScienceSupplementScience

Hyaluronic Acid Side Effects & Safety

Evidence:Moderate
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Generally Safe

Potential Side Effects

  • Very well tolerated — adverse event rates similar to placebo in clinical trials
  • Rare mild GI discomfort
  • Theoretical concern in individuals with active cancer (HA receptors involved in cell proliferation) — no clinical evidence of risk

Drug & Supplement Interactions

  • No significant drug interactions reported for oral HA supplementation
  • Safe to combine with glucosamine, chondroitin, and other joint supplements

Maximum Dose

Do not exceed: Up to 240mg daily has been studied safely; no established upper limit

Looking for a well-tested Hyaluronic Acid?
All our top picks are third-party verified for purity
Full Hyaluronic Acid Guide

References

  1. RCTTashiro T, Seino S, Sato T, et al. (2012). Oral administration of polymer hyaluronic acid alleviates symptoms of knee osteoarthritis: a double-blind, placebo-controlled study over a 12-month period. The Scientific World Journal. DOI PubMed
  2. RCTNelson FR, Zvirbulis RA, Engelman DS, et al. (2015). The effects of an oral preparation containing hyaluronic acid on obese knee osteoarthritis patients determined by pain, function, bradykinin, leptin, inflammatory cytokines, and heavy water analyses. Rheumatology International. DOI PubMed
  3. ReviewOe M, Tashiro T, Yoshida H, et al. (2016). Oral hyaluronan relieves knee pain: a review. Nutrition Journal. DOI PubMed
  4. Du D, Liang Y (2025). A meta-analysis and systematic review of the clinical efficacy and safety of platelet-rich plasma combined with hyaluronic acid (PRP + HA) versus PRP monotherapy for knee osteoarthritis (KOA).. Journal of orthopaedic surgery and research. DOI PubMed
  5. Li YF, Xing HH, Wei CK, Chen YT, et al. (2025). Platelet-Rich Plasma Is More Effective Than Hyaluronic Acid Injections for Osteoarthritis of the Knee: A Meta-analysis Based on Randomized, Double-Blinded, Controlled Clinical Trials.. Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. DOI PubMed
  6. Meta-analysisXu H, Shi W, Liu H, Chai S, et al. (2025). Comparison of hyaluronic acid and platelet-rich plasma in knee osteoarthritis: a systematic review.. BMC musculoskeletal disorders. DOI PubMed
  7. Roth BJ, Hammad MAM, Sultan MI, Abou Chawareb E, et al. (2025). Hyaluronic acid and urology: a systematic review and meta-analysis.. Sexual medicine reviews. DOI PubMed
Show 3 more references
  1. Jawanda H, Khan ZA, Warrier AA, Acuña AJ, et al. (2024). Platelet-Rich Plasma, Bone Marrow Aspirate Concentrate, and Hyaluronic Acid Injections Outperform Corticosteroids in Pain and Function Scores at a Minimum of 6 Months as Intra-Articular Injections for Knee Osteoarthritis: A Systematic Review and Network Meta-analysis.. Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. DOI PubMed
  2. Migliorini F, Giorgino R, Mazzoleni MG, Schäfer L, et al. (2024). Intra-articular injections of ozone versus hyaluronic acid for knee osteoarthritis: a level I meta-analysis.. European journal of orthopaedic surgery & traumatology : orthopedie traumatologie. DOI PubMed
  3. Elrosasy A, Abo Zeid M, Hindawi MD, Cadri S, et al. (2024). Efficacy and safety of different hyaluronic acid fillers on cheek volume augmentation: systematic review and network meta-analysis.. Archives of dermatological research. DOI PubMed